long-horizon
Coverage, reference pages, tools, and guides connected to this topic.
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Letta (formerly MemGPT)
Long-term memory primitive: hierarchical context with explicit recall calls.
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Long-horizon memory: survey of seven architectures, ranked by recall and cost
Compares episodic, semantic, hybrid, and graph-based memory across realistic 30-day agent simulations. Hybrid stores win on recall; graph stores win on cost stability.